Fix Python interpreter selection for reproducible installs

[shahabajsheikh-ops]

Summary

• prevent uv sync from selecting unsupported Python 3.14
• declare and test the supported Python 3.12-3.13 range
• align setup documentation and dataset manifest digests

Reproduction

On macOS, make install selected CPython 3.14.5 and failed while building litellm==1.92.0 because its locked PyO3 dependency supports at most Python 3.13. With this change, Python 3.14 receives a clear incompatible-version message while Python 3.12 and 3.13 install successfully.

Related issue

https://app.devrev.ai/devrev/works/ISS-350288

Validation

• uv sync --python 3.12 --extra dev --frozen
• make validate on Python 3.12.13
• uv sync --python 3.13 --extra dev --frozen
• make validate on Python 3.13.5
• Python 3.14.5 negative compatibility check
• uv lock --check
• git diff --check

Author: Shahabaj Sheikh

[shahabajsheikh-ops]

The repository CI passes on both Python 3.12 and 3.13.

Update:

• DevRev work item ISS-350288 was created for this defect and added to the PR description.
• validate_description now passes.
• patching_sla_check still stops while loading repository AWS credentials, before checking the patch. This requires a trusted repository run or maintainer override.

— Shahabaj Sheikh

[shahabajsheikh-ops]

@mira-mohammad @jonmaaku-rev @roycabezas @nimit2801 could you please review this contribution?

The Python 3.12 and 3.13 CI jobs, global checks, and description validation all pass. The only remaining required check, patching_sla_check, stops while configuring repository AWS credentials before inspecting the patch because this pull request originates from a fork. Could you please rerun or waive that check from a trusted repository context?

The corresponding DevRev work item is ISS-350288.

— Shahabaj Sheikh